hi everybody, im new here, so i hope to find help here.

I play Fallout 4 on Ps4 and the first 30 level of my Charakter, i play without crashes and Problems.

When i want to finish the Quest, Battle for Bunker Hill or the Quest Ad Victoriam ( End Quest for the Brotherhood of Steel) , the game Crashes instantly, everytime i try to teleport me to a Area next to the CIT Ruins or the Institut, the game Crashes and im back at the PS4 Menu. Everybody has Problems with the Monsignor Plaza but i dont have Problems at the Monsignor PLaza. I have crashes on the Quest Battle for Bunker Hill, when i want to teleport to the CIT ruins to meet Father from the Institut, game crashes on the Loading screen. And on the Quest Ad Victoriam, i follow the Liberty Prime and when i go near to the CIT Ruins or the INstitut, my game crashes everytime. I cant finish the Quest Ad Victoriam , and cant finish the Quests for the Institut because on the CIT ruins or near to this Area, my game crashes. What can i do ?? pls help

I've hot This problem with the shadow of steel quest and Silver shroud quest. The game crashes every time.